Question

{-20, -19, -39, -55, -5, -74, -60}

Answer 1

Rational number: any number which can be expressed as [tec]\frac{a}{b}[/tex] where a and b are integers and b is not zero.

Natural number: any non-negative whole number (see below)

Whole number: any non-negative integer

Integer: any number which contains no fractional part

Try working it out. You end up getting I and IV.